AS3636 datasheet(26/42 Pages) AMSCO

26 / 42 page

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Revision 0.7

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with additional features

with photosensor

AS3636

Preliminary Datasheet, Confidential - D e ta i l e d D e s c r i p t i o n

OTPF

R/SC

Over Temperature protection fault interrupt

no interrupt

interrupt occurred

AFF

R/SC

Autofocus LED (VLED) fault interrupt

no interrupt

interrupt occurred

READYF

R/SC

Xenon charger ready interrupt flag

no interrupt

interrupt occurred

SSTF

R/SC

Xenon Strobe Self test fault interrupt

no interrupt

interrupt occurred

1. R/SC = Read, self clear: Upon readout, the register bit is automatically cleared.

Table 11. Xenon Control Register

Addr: 07h

Xenon Control Register

Control Xenon Charger and Re-charging

Bit

Bit Name

Default Access

Description

CHARGE

0R/W

Xenon charging

Read: no charging;

Write: writing ‘0’ to CHARGE stops charging

Read: Xenon charger running;

Write: writing ‘1’ to CHARGE starts charging

READY

Xenon Charger Finished charging

not ready for flash

ready for flash; a flash strobe automatically resets

READY

STROBE

Strobe test pulse enable

Input pin STROBE

1=0

Input pin STROBE

1=1

IGBT strobe flash is controlled by STROBE pin

A Xenon flash test pulse of length Xenon SST Pulse

Length Register is generated

Table 10. Interrupt Status Register (Continued)

Addr: 06h

Interrupt Status Register

Interrupts status (interrupt output INT, open drain, active low); reading

this register automatically clears the interrupt; see Protection and Fault

Detection Functions on page 19

Bit

Bit Name

Default Access

Description

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